/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is Forte for Java, Community Edition. The Initial
 * Developer of the Original Code is Sun Microsystems, Inc. Portions
 * Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.spi.looks;

import java.util.Enumeration;
import java.util.TooManyListenersException;

import org.netbeans.modules.looks.SelectorImpl;

/** Interface for finding a Look for given object.
 *
 * @author Petr Hrebejk,  Jaroslav Tulach
 */
public final class LookSelector {

    /** Looks provider */
    SelectorImpl impl;

    /** Package private, all selectors are created using factory methods
     */
    LookSelector( SelectorImpl impl ) {
        this.impl = impl;
        try {
            impl.setLookSelector( this );
        }
        catch ( TooManyListenersException e ) {            
            throw new IllegalStateException( "SelectorImpl " + impl + " used for more than one selector" );
        }
    }
    
    /** Finds all suitable Looks for given object
     * @param representedObject The object we want to find available looks for.
     * @return Enumeration of available Looks
     */
    public Enumeration getLooks( Object representedObject ) {
        return impl.getLooks( representedObject );
    }

    // Package private methods -------------------------------------------------
    
    /** Returns the implementation from the modules package. This method is
     * used by the Accessor when registering listeners for given LookSelector
     */    
    SelectorImpl getImpl() {
        return impl;
    }
            
}